A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 4140-00-249-5603
NSN 5910-01-549-8086
NSN 5985-01-061-3075
NSN 6145-01-365-1854
NSN 5905-01-063-6881
NSN 5975-01-126-7508
NSN 6320-01-267-0586
NSN 5975-01-006-7080
NSN 6150-00-202-9150
NSN 5910-01-157-6654
NSN 6685-01-598-2696
NSN 5905-00-245-5650